How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

If winner is:HomeDrawAway
Week of 8/28100.0*Chance in playoffs100.0*Qualified100.0*Average seed
Uruguay vs Argentina+7.4-2.9-19.2
+4.8-1.7-12.6
+0.4-0.2-0.9
Brazil vs Ecuador+0.7-0.4-3.5
+0.6-0.4-2.8
+0.0-0.0-0.1
Chile vs Paraguay-1.4+2.1+2.0
-0.8+1.3+0.9
-0.0+0.1+0.1
Venezuela vs Colombia+1.4+0.3-1.0
+0.8+0.1-0.6
+0.2+0.1-0.2

What If

Chances based on how well the Uruguay finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsQualified12345678910Count
354-0-0InYes1963473,409,512
333-1-0InYes088120876,661,700
323-0-1100.0%100.0%752410743,541,634
312-2-0100.0100.0653220607,295,741
302-1-199.199.5384813101,015,842,623
292-0-294.297.1174631600409,433,185
1-3-097.298.623502430185,871,351
281-2-185.692.6835421400459,569,867
271-1-255.975.21134239500363,774,872
0-4-070.184.122147282021,208,174
261-0-322.849.0022152232091,058,902
0-3-131.857.8042852160068,830,224
250-2-28.631.900847405080,163,184
240-1-30.710.6012051271039,184,507
230-0-40.01.80431551007,988,064
Total:90.6%94.1%0502713720005,443,833,540
Points
Chance Will Make Playoffs